body {
    font-family:Verdana;
    height:100vh;
    display:flex;
    flex-direction:column;
}
header {
    background-color:aliceblue;
    height:60px;
    flex-shrink:0;
    display:flex;
    justify-content:center;
    align-items:center;
}
    header h1 {
        font-family:Poppins;
        font-size:60px;
        color:grey;
    }
nav {
    background-color:silver;
    height:30px;
    display:flex;
    justify-content:center;
    align-items:center;
}
    nav ul li {
        display:inline-block;
        list-style:none;
        height:30px;
        padding:30px;
    }
    nav ul li:hover {
        transform:scale(1.05);
    }
        nav ul li a {
            display:flex;
            align-items:center;
            height:100%;
            padding:0,10px,0,10px;
            text-decoration:none;
            color:rgb(97, 97, 97);
        }
div#content {
    display:flex;
    flex:auto;
    flex-direction:row;
}
main {
    width:70%;
    box-sizing:border-box;
    margin:50px;
    margin-top:20px;
    display:flex;
    flex-direction:column;
    align-items:center;
}
aside {
    width:30%;
    box-sizing:border-box;
    padding:50px;
    background-image:linear-gradient(lightgray,darkgray);
}
footer {
    background-color:silver;
    color:rgb(97, 97, 97);
    padding:5px;
    font-size:85%;
    flex-shrink:0;
}
#content img {
    margin-bottom:20px;
}
#content h1 {
    color:rgb(150, 150, 150);
    font-size:45px;
    margin-bottom:20px;
    display:flex;
}
#content p {
    margin-bottom:12px;
    width:50%;
}
div#menu-button {
    display:none;
}
@media all and (max-width:800px) {
    header {
        height:44px;
    }
    header h1 {
        font-size:25px;
    }
    div#content {
        display:block;
    }
    main {
        width:100%;
        margin:0;
        margin-top:20px;
        margin-bottom:20px;
    }
    aside {
        width:100%;
    }
    div#menu-button {
        display:block;
        position:absolute;
        top:0;
        right:0;
        margin-right:20px;
        height:44px;
        text-align:center;
        line-height:44px;
        color:grey;
    }
    nav {
        height:auto;
        display:none;
    }
        nav ul li {
            display:block;
        }
    nav.open {
        display:block;
    }
    #content p {
        width:80%;
    }
}

#imgwidth {
    width:30%;
    margin:50px;
}

pre {
    background-color:darkslategray;
    color:lightgray;
    padding:35px;
    border-radius:15px;
    width:35%;
    margin:12px;
    margin-bottom:30px;
}